"There was a time before Apple when we were geeks, and we were just different," Wozniak told fans in the crowd, according to Mercury News. "We liked living outside the rules."

In addition to Wozniak, a slew of celebrities made appearances, including Michael J. Fox and Christopher Lloyd of "Back to the Future" fame, as well as William Shatner from the original "Star Trek" tv series.

The comic convention ended Sunday at 5 p.m. One-day passes were $50 for adults and $20 for children.